CD00237391 Datasheet, PDF (90/177 Pages) STMicroelectronics – ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM

Electrical characteristics
STM32F20xxx
Figure 34 and Figure 35 show the main PLL output clock waveforms in center spread and
down spread modes, where:
F0 is f_{PLL_OUT} nominal.
T_mode is the modulation period.
md is the modulation depth.
Figure 34. PLL output clock waveforms in center spread mode
Frequency (PLL_OUT)
md
F0
md
tmode
2*tmode
Figure 35. PLL output clock waveforms in down spread mode
Frequency (PLL_OUT)
Time
ai17291
F0
2*md
tmode
2*tmode
Time
ai17292
5.3.12 Memory characteristics
Flash memory
The characteristics are given at T_A = –40 to 105 °C unless otherwise specified.
Table 35. Flash memory characteristics
Symbol
Parameter
Conditions
I_DD
Supply current
Write / Erase 8-bit mode
V_DD = 1.8 V
Write / Erase 16-bit mode
V_DD = 2.1 V
Write / Erase 32-bit mode
V_DD = 3.3 V
Min
Typ
Max Unit
-
5
-
-
8
-
mA
-
12
-
90/177
Doc ID 15818 Rev 9